- ND Filter:ND filter reduces the amount of light coming into the sensor, giving you the freedom to create your own work by allowing more control of the camera's aperture, exposure time and sensor sensitivity settings.The numbers in the back represent the dimming lev- UV Filter:Reduce haze and improve contrast to your video and digital images by minimizing the amount of ultraviolet (UV) light.Especially useful in areas of high altitude, snow, or beach, eliminating the undesirable blue cast. top level of transmittance.- CPL Filter:Removes unwanted reflections from non-metallic surfaces such as water or glass and glare from the sun.Increases color saturation, creating deep, rich scenic images.Helps to reduce the amount of light entering the lens.- NDPL Filter:NDPL filter reduces the amount of light coming into the sensor, giving you the freedom to create your own work by allowing more control of the camera's aperture, exposure time and sensor sensitivity settings.The numbers in the back represent the dimming lev, And with PL polarizing compound function, eliminating harmful polarized light